no website on file — from open-source research, nothing to check against
Pu'er brand from Lincang; focus on Yongde Daxueshan, own standardized factory, flagship line 'Laomu Cha Kongjian'.
website not found; 2021 opening of a branch in Kunming, 2022 — in Shenzhen
The source export carried a verification date of 2026-08-16 — later than today, so the check could not have happened. The mark was removed; the original value is kept in the data.